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two_ray_model
Modelo de dos rayos de Andrea Goldsmith (figura 2.5, según expresión
2.12)
f = 0.9 frecuencia en GHz
landa = 0.3/f en m
R = -1 coeficiente de reflexión en tierra
ht = 10 altura del transmisor en m
hr = 2 altura del receptor en m
Gt = 1
Gr = 1
Pt = 1
d=10:.1:100000
phase_diff = 4*pi*ht*hr./(landa*d) aproximación
Pr = Pt*((landa/(4*pi))^2)*((abs((sqrt(Gt)./d) + (R*sqrt(Gr).*(exp(-sqrt(-1)*phase_diff)))./d)).^2)
Pr = Pt*((landa/(4*pi))^2)*(1./d).*((abs((sqrt(Gt)) + (R*sqrt(Gr).*(exp(-sqrt(-1)*phase_diff))))).^2)
figure(1), clf,
plot((d),10*log10(Pr/max(abs(Pr))))
grid
xlabel( log_1_0(d) )
ylabel( Potencia recibida (dBm) )
- 2010-02-08 06:31:54下载
- 积分：1
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FYP1
一种基于 Matlab 的 gui 波形发生器。只需运行文件, 并定义参数, 如频率, 周期数和波形类型 (sin, cos, pwm 等), 然后单击开始。(A Matlab gui based waveform generator. Simply run the file, and define parameters like frequency, number of cycles and type of waveform (sine,cos,pwm etc) then click START.)
- 2017-08-15 10:50:38下载
- 积分：1
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signlms
说明： 符号LMS算法的MATLAB实现 并比较误差性能和收敛速度
结果正确 可以直接使用(MATLAB symbolic realization of LMS algorithm and compare the results of error performance and convergence speed can use proper)
- 2021-04-18 18:38:51下载
- 积分：1
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1608453847
this eBook best eBook for ueful in Voice processing and best code using Matlab code and
data best for engineering
- 2013-07-26 10:15:25下载
- 积分：1
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three_lever_inverter
本例程是三电平故障诊断仿真，通过观察输出波形来判断哪个开关管有损坏，是什么损坏(This Simulation files is a three-level fault diagnosis simulation, by observing the output waveform to determine which switch is damaged, what damage is)
- 2021-01-06 15:28:54下载
- 积分：1
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qiyi
本程序通过SVD可以很好实现lyapunov指数计算，便于理解，且速度和精度较高(lyapunov exponent by SVD)
- 2013-04-05 15:24:50下载
- 积分：1
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dmc
说明： 对一个线性二阶系统进行基于阶跃响应模型的预测控制以及详细讲解(Predictive control based on step response model for a linear second-order system)
- 2020-09-26 10:37:47下载
- 积分：1
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shipinzhuanhuan
说明： 将时域信号进行处理得到加速度频域幅值谱或振级谱(Acceleration amplitude spectrum or magnitude spectrum in frequency domain can be obtained by processing time domain signals.)
- 2020-06-16 22:20:01下载
- 积分：1
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KronReduction
Kron Reduction for power system Y bus calculation
- 2013-02-23 08:27:58下载
- 积分：1
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92421039VC-CALL-matlab.m
vc调用matlab中自定义的.m函数，对于混编简单的例子(Vc call custom in matlab. M function，For simple example mixed)
- 2013-09-23 09:31:41下载
- 积分：1
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